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What should go into an .h file?
...s imagine we have a templated MyObject. We could have:
// - - - - MyObject_forward.hpp - - - -
// This header is included by the code which need to know MyObject
// does exist, but nothing more.
template<typename T>
class MyObject ;
.
// - - - - MyObject_declaration.hpp - - - -
// This h...
What's the difference between a single precision and double precision floating point operation?
...e a 64-bit processor, however:
Many games took advantage of the chip's 32-bit processing mode as the greater data precision available with 64-bit data types is not typically required by 3D games, as well as the fact that processing 64-bit data uses twice as much RAM, cache, and bandwidth, thereb...
How to find out what type of a Mat object is with Mat::type() in OpenCV
...e CV_16U: r = "16U"; break;
case CV_16S: r = "16S"; break;
case CV_32S: r = "32S"; break;
case CV_32F: r = "32F"; break;
case CV_64F: r = "64F"; break;
default: r = "User"; break;
}
r += "C";
r += (chans+'0');
return r;
}
If M is a var of type Mat you can call it ...
What does the plus sign do in '+new Date'
...|
edited Jun 22 '17 at 16:32
Henry
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answered Oct 21 '08 at 12:11
...
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
... on it.
– Botz3000
May 30 '12 at 10:32
3
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How to sync with a remote Git repository?
...
Šimon TóthŠimon Tóth
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...
How to print last two columns using awk
...
try with this
$ cat /tmp/topfs.txt
/dev/sda2 xfs 32G 10G 22G 32% /
awk print last column
$ cat /tmp/topfs.txt | awk '{print $NF}'
awk print before last column
$ cat /tmp/topfs.txt | awk '{print $(NF-1)}'
32%
awk - print last two columns
$ cat /tmp/topfs.txt | awk '{...
Prevent the keyboard from displaying on activity start
...wing may work
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN);
I've used it for this sort of thing before.
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How do I call ::std::make_shared on a class with only protected or private constructors?
...
Luc DantonLuc Danton
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Assigning default value while creating migration file
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typeoneerror
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answered May 29 '11 at 14:01
tarotaro
...